i#1902: fix failure to link DR and drmf samples with VS2015
i#1902: fix failure to link DR and drmf samples with VS2015

According to https://blogs.msdn.microsoft.com/vcblog/2015/03/03/introducing-the-universal-crt/
VS 2015 adds two more lib to link besides `libcmt` which are `libvcruntime` and `libucrt`.

Based on patch from Fadhil Mandaga firodj@.

Fixes #1902

Review-URL: https://codereview.appspot.com/315380043

AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio